Add 7/75 and 42/70
7/75 + 42/70 is 52/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
7/75 = 7 × 14/75 × 14 = 98/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
42/70 = 42 × 15/70 × 15 = 630/1050 - Add the two like fractions:
98/1050 + 630/1050 = 98 + 630/1050 = 728/1050 - 728/1050 simplified gives 52/75
- So, 7/75 + 42/70 = 52/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75+42/70 7/75+84/70 21/75+42/70 35/75+42/70 49/75+42/70