Add 7/70 and 5/72
7/70 + 5/72 is 61/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
7/70 = 7 × 36/70 × 36 = 252/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
5/72 = 5 × 35/72 × 35 = 175/2520 - Add the two like fractions:
252/2520 + 175/2520 = 252 + 175/2520 = 427/2520 - 427/2520 simplified gives 61/360
- So, 7/70 + 5/72 = 61/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+5/72 7/70+10/72 21/70+5/72 7/70+15/72 35/70+5/72 7/70+25/72 49/70+5/72 7/70+35/72