def eg_fr(n, d):
    ls = []
    ls_str = []
    fraction = n / d
    total = 0
    for i in range(1, 1000):
        ls.append((1/i, str(1) + '/' + str(i)))
    for i in ls:
    while i[0] + total <= fraction:
        ls_str.append(i[1])
        total += i[0]
        if total >= fraction:
            break
    print('%s/%s = ' % (n, d), end='')
    for i in range(len(ls_str) - 1):
        print('', ls_str[i], '+ ', end='')
    print(ls_str[-1], end='')
    return ls_str


if __name__ == '__main__':
eg_fr(7, 133)