Add 21/32 and 15/35
21/32 + 15/35 is 243/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 35 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
21/32 = 21 × 35/32 × 35 = 735/1120 - Likewise, for the 2nd fraction, since 35 × 32 = 1120,
15/35 = 15 × 32/35 × 32 = 480/1120 - Add the two like fractions:
735/1120 + 480/1120 = 735 + 480/1120 = 1215/1120 - 1215/1120 simplified gives 243/224
- So, 21/32 + 15/35 = 243/224
In mixed form: 119/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/32+15/35 21/32+30/35 21/64+15/35 21/32+15/70 63/32+15/35 21/32+45/35 21/96+15/35 21/32+75/35