Add 21/70 and 10/32
21/70 + 10/32 is 49/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 70 × 16 = 1120,
21/70 = 21 × 16/70 × 16 = 336/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
10/32 = 10 × 35/32 × 35 = 350/1120 - Add the two like fractions:
336/1120 + 350/1120 = 336 + 350/1120 = 686/1120 - 686/1120 simplified gives 49/80
- So, 21/70 + 10/32 = 49/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70+10/32 21/70+20/32 21/70+10/64 63/70+10/32 21/70+30/32 21/70+10/96 21/70+50/32 21/70+70/32